Read-it-later service Instapaper has released what it's calling a "full API." With it, developers using the Instapaper API can create applications that both write to and read from the service. The full API is free to developers, but only paying users can read from their Instapaper account using third-party tools.

The RouteSavvy API allows you to add route optimization features to any application. It is a REST service for optimizing driving stop order for both GET and POST options. Requests use JSON formatted...

The Microsoft Bing Maps Snap to Road API, developers can specify GPS points including latitude and longitude coordinates. Data can be collected along a route to return a corresponding a set of points...